. >> now, for our guests, president obama claims that the moment he heard about the attack on the u.s. consulate in benghazi said he gave three directives. find out who did this so we can bring them to justice. in secretary's letter she states, quote, we continue to hunt terrorists responsible for the attacks in benghazi and determined to bring them to justice. have you determined those responsible for the death of the brave americans and the destruction of the u.s. facilities? >> senator barrasso, just to restate, we are absolutely committed to bring those responsible to justice. we are absolutely committed to bringing every resource to the u.s. government to bear to accomplish that. we are pursuing this through a number of different channels. some of which can be discussed in other settings, but as you know, the fbi is leading the investigation, the state department is actively supporting this. i've been in libya to talk to the libyan leadership to talk about the importance of their cooperation and the investigation. i think we are making some progress. our char on the ground works